Toppers indicates that they offer these vegan pizzas:
Vegan Toppers Classic, Vegan Tomato Pie, Vegan White Potato, and Vegan Spicy Italian. Toppings include Dairy-free Follow Your Heart Cheese and Field Roast Pepperoni. See the menu here https://www.toppers.com/vegan-friendly-choices/#
You can find their locations here: https://www.toppers.com/locations/
If you’ve tried one of their vegan pizzas, let us know how it was.
Other restaurant chain information is here: https://www.vrg.org/fastfoodinfo.php
You can find veg restaurants in the USA and Canada at https://www.vrg.org/restaurant/index.php